Polk Audio MM 842 DVC MM1 Series 8" Marine Subwoofer with Dual 4-ohm Voice Coils (Each) Denon Home Sound Bar 550 YU2 has a rear bass

YU2 has a rear bass port that has been carefully designed and tuned to eliminate port turbulence while extending bass response

Plays USB memory devices

20Hz–20kHz

Built for superior sonics

MFR # TT-1100USB

Polk Audio MM 842 DVC MM1 Series 8" Marine Subwoofer with Dual 4-ohm Voice Coils (Each) Denon Home Sound Bar 550 YU2 has a rear bassPolk Audio MM 842 DVC MM1 Series 8" Marine Subwoofer with Dual 4 ohm Voice Coils (Each) By land or by sea, there's no weapon in your audio arsenal more powerful and accurate than the Polk MM1 8 Inch 900 Watt DVC Marine Subwoofer. Engineered for precision with Dynamic Balance technology for richer, cleaner, more full range sound, this subwoofer features 300 watts of RMS power and frequency response of 30 Hz to 200 kHz. It also boasts 85 dB sensitivity